Characteristics of Prayer

Bukhari :: Book 1 :: Volume 12 :: Hadith 758

Narrated Al-Bara:

The bowing, the prostration the sitting in between the two prostrations and the standing after the bowing of the Prophet but not Qiyam (standing in the prayer) and Qu'ud (sitting in the prayer) used to be approximately equal (in duration).

Source materials are from the University of Southern California MSA site
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